摘要
焦家金矿破碎顶板用注浆长锚索预加固,锚杆金属网联合支护,对防止顶板冒落、确保安全生产、提高矿石回收率等方面均取得了良好的效果。本文对支护结构和支护参数及护顶效果作了详细阐述。
The broken foofs in Jiaojia Gold Mine were controlled with the conbination of grouted anchor cables, and bolt metal network system so as to effectively prevent roof caving, ensure stope safety and improve ore recovery rate. In this paper, a detailed description is given to the structure, parameters and effectiveness of the support system.
关键词
采场
顶板
破碎
控制
长锚索
支护
Cut-and-fill mining, Stope roof, Joint support, Long anchor cable, Cement grouting
